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  pH Meters

pH Meters
pH Meters
pH Meters are precision laboratory instruments designed to accurately measure the acidity or alkalinity of liquids and solutions in scientific, pharmaceutical, environmental, food, beverage, and industrial applications. Commonly used in laboratories, research facilities, water treatment plants, schools, agricultural environments, and quality control departments, pH meters provide reliable testing for chemical analysis, water quality monitoring, product formulation, and laboratory research. pH Meters are ideal for measuring pH levels in chemicals, beverages, soil samples, wastewater, pharmaceuticals, and biological solutions where accurate and consistent readings are essential. Many models feature digital displays, automatic temperature compensation, calibration functions, portable handheld designs, and advanced data storage capabilities to improve testing efficiency and measurement accuracy. Like Water Quality Applications: pH meters are frequently used in scientific and industrial laboratories to monitor and analyze liquid samples for research, environmental testing, manufacturing processes, and quality assurance procedures requiring precise pH measurement and dependable analytical performance.
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Ohaus AB33M1-F AQUASEARCHER Multi-Parameter Benchtop Meter with ST310 and STCON3 : -2.00 – 20.00 pH;  -5 °C – 110 °C;  -2000.00 – +2000.00 mV
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Price: $889.41
Mettler Toledo 30671554 pH meter SevenDirect SD20 Kit
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Price: $1,544.40
Mettler Toledo® F20-Standard FiveEasy Benchtop F20 pH/mV Standard Kit  with LE438 sensor
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Price: $895.50
Mettler Toledo 30266627 FiveEasy Plus Benchtop F20 pH/mV Meter
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Price: $902.00
Ohaus ST300C-G Starter Series Portable Water Conductivity Analysis Meter  (30219115)
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Price: $547.41
Mettler Toledo 30671563 Cond meter SevenDirect SD30 Pure H2O Kit
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Price: $2,336.40
Mettler Toledo 30671553 pH/Cond meter SevenDirect SD23
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Price: $2,450.80
Mettler Toledo 30671559 pH meter SevenDirect SD20 Solids Kit
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Price: $1,729.20
Ohaus ST400-F Starter Series Portable Waterproof  Water pH Meter - Meter and Electrode
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Price: $587.17
Mettler Toledo®  FP20-Standard  FiveEasy Plus Benchtop FP20 pH/mV Standard Kit  with LE438 sensor
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Price: $1,100.00
Ohaus ST10 Starter Series Water pH Analysis Pen Meter (30073970)
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Price: $65.25
Mettler Toledo 30671562 Cond meter SevenDirect SD30 Kit
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Price: $2,112.00
Mettler Toledo 30671551 Cond meter SevenDirect SD30
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Price: $1,641.20
Mettler Toledo 30671548 pH/Ion meter SevenDirect SD50 Pure H2O
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Price: $2,094.40
Mettler Toledo 30671549 pH/Ion meter SevenDirect SD50 LowVol Kit
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Price: $2,120.80
Mettler Toledo 30671544 pH/Ion meter SevenDirect SD50 Kit
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Price: $1,795.20
Mettler Toledo 30671547 pH/Ion meter SevenDirect SD50 Organic
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Price: $2,094.40
Mettler Toledo 30671546 pH/Ion meter SevenDirect SD50 HA Kit
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Price: $1,931.60
Mettler Toledo 30671545 pH/Ion meter SevenDirect SD50 F-Ion Kit
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Price: $2,622.40
Mettler Toledo 30671552 pH/Ion meter SevenDirect SD50
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Price: $1,421.20
Mettler Toledo 30671568 pH/Cond meter SevenDirect SD23 Pure H2O
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Price: $3,383.60
Mettler Toledo 30671567 pH/Cond meter SevenDirect SD23 Kit
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Price: $3,084.40
Mettler Toledo 30671561 pH meter SevenDirect SD20 Low Vol Kit
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Price: $1,821.60
Mettler Toledo 30671560 pH meter SevenDirect SD20 Viscous Kit
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Price: $1,883.20
Mettler Toledo 30671558 pH meter SevenDirect SD20 Pure H2O Kit
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Price: $1,795.20
Mettler Toledo 30671557 pH meter SevenDirect SD20 Organic Kit
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Price: $1,786.40
Mettler Toledo 30671556 pH meter SevenDirect SD20 HA Kit
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Price: $1,641.20
Mettler Toledo 30671555 pH meter SevenDirect SD20 Stirrer Kit
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Price: $1,812.80
Mettler Toledo 30671550 pH meter SevenDirect SD20
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Price: $1,170.40
Mettler Toledo 51302888 Rondolino pH Sample Changer
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Price: $10,388.80
Mettler Toledo S7 30207962 Seven2Go S7-STD Portable Conductivity kit with InLab 738-ISM-IP67 sensor
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Price: $1,372.80
Mettler Toledo S3 30207955 Seven2Go S3-Std Portable Conductivity Meter Kit with InLab 738-ISM-IP67 sensor
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Price: $941.60
Mettler Toledo SG78-FK5-K SevenGo Duo PRO pH/conductivity meter (IP67)  with InLab®Expert Go-ISM, InLab®738-ISM (both IP67, 5 m cable) and uGo
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Price: $2,912.80
Ohaus ST400D-G Starter Series Dissolved Oxygen (DO) Meter with STDO21:  0.00 – 20.0 mg/L(ppm);  0 – 50°C
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Price: $1,413.04
Ohaus STDO21 Starter Series Dissolved Oxygen (DO) Probe Cap
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Price: $217.50
Ohaus AB23PH-B AQUASEARCHER pH and ORP Benchtop Meter: 0 – 100°C;  0.00 – 14.00 pH;  -1999 – 1999 mV
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Price: $386.95
Ohaus AB41PH-F AQUASEARCHER Research Grade pH Benchtop Meter with ST410, STTEMP Probe, Stirrer Compact AS20 and pH Buffer Mini Kits: -2.000 – 20.000 pH;  -10.0 °C – 125.0 °C;  -2000.00 – +2000.00 mV
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Price: $1,018.44
Ohaus AB41PH-B AQUASEARCHER Research Grade pH Benchtop Meter : -2.000 – 20.000 pH;  -10.0 °C – 125.0 °C;  -2000.00 – +2000.00 mV
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Price: $898.38
Ohaus AB33PH-B AQUASEARCHER  pH Benchtop Meter : -5 °C – 110 °C;  -2.00 – 16.00 pH;  -2000.00 – +2000.00 mV
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Price: $550.96
Ohaus ST400D-B Starter Series Dissolved Oxygen (DO) Meter: 0.00 – 20.0 mg/L(ppm);  0 – 50°C
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Price: $614.86
Ohaus AB33PH-F AQUASEARCHER  pH Benchtop Meter with ST310 : --5 °C – 110 °C;  -2.00 – 16.00 pH;  -2000.00 – +2000.00 mV
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Price: $624.80
Ohaus AB33M1-B AQUASEARCHER Multi-Parameter Benchtop Meter - -2.00 – 20.00 pH;  -5 °C – 110 °C;  -2000.00 – +2000.00 mV
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Price: $762.45
Ohaus AB33EC-F AQUASEARCHER Conductivity / TDS / Salinity / Resistivity Benchtop Meter with STCON7 - ± 0.5 % Reading ± 2 LSD / 0.001 uS/cm – 1000 mS/cm
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Price: $629.06
Ohaus AB33 / AB41 Electrode Holder
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Price: $110.40
Ohaus AB23EC-F AQUASEARCHER Conductivity / TDS / Salinity Benchtop Meter with STCON3  - 00.0 µS/cm – 199.9 mS/cm
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Price: $522.56
Ohaus AB23EC-B AQUASEARCHER Conductivity / TDS / Salinity Benchtop Meter - 00.0 µS/cm – 199.9 mS/cm
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Price: $408.25
Ohaus AB33EC-B AQUASEARCHER Conductivity / TDS / Salinity / Resistivity Benchtop Meter - ± 0.5 % Reading ± 2 LSD
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Price: $504.10
Ohaus ST20M-C Starter Series Complete Salinity Water Analysis Pen Meter (30393200)
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Price: $141.75
Ohaus ST20M-B Starter Series Complete TDS Water Analysis Pen Meter
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Price: $141.75
Ohaus ST20D Starter Series Complete TDS Water Analysis / pH / OD Pen Meter (30073986)
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Price: $374.40
Ohaus ST400D Starter Series Portable DO Meter with STDO21 Electrode
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Price: $1,380.40
Ohaus 30219116 300D-B Portable DO Meter with STDO11 and STTEMP30 Probes and Carrying Case Starter Kit
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Price: $628.35
Ohaus 30080693 2-pole Conductivity Electrode STCON7 - 1m
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Price: $565.16
Mettler Toledo SevenExcellence S500-F-Kit pH/Ion Meter with Fluoride Ion-Selective Electrode
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Price: $4,369.20
Mettler Toledo S7 30207873 Seven2Go S7-USP/EP kit Portable Conductivity Meter with InLab 742-ISM Sensor
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Price: $1,509.20
Mettler Toledo S7 30207963 Seven2Go S7-Field kit Portable Conductivity Meter with InLab 738-ISM Sensor
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Price: $1,425.60
Mettler Toledo S7 30207961 Seven2Go S7-Basic kit Portable Conductivity Meter
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Price: $1,038.40
Mettler Toledo S3 30207956 Seven2Go S3-Field kit Portable Conductivity Meter with InLab 738-ISM Sensor
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Price: $998.80
Mettler Toledo S3 30207957 Seven2Go S3-Bioethanol kit Portable Conductivity Meter with InLab 725 Sensor
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Price: $1,051.60
Mettler Toledo S3 30207954 Seven2Go S3-Basic Portable Conductivity Meter
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Price: $661.50
Mettler Toledo 30266944 FiveEasy Plus Benchtop F30 Conductivity Meter
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Price: $1,258.40
Mettler Toledo 30266658 FiveEasy Benchtop F20 pH/mV Meter
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Price: $729.00
Mettler Toledo 30266942 FiveEasy Benchtop F30 Conductivity Meter
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Price: $981.20
Ohaus 30468962 Conductivity electrode STCON3 IP67 3m
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Price: $407.54
Ohaus ST400M-G Starter Series Portable Waterproof - Conductivity Water pH Meter - Meter, Electrode and a Case
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Price: $960.48
Ohaus ST400M-F Starter Series Portable Waterproof - Conductivity Water pH Meter - Meter and Electrode
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Price: $939.09
Ohaus ST400M-B Starter Series Portable Waterproof - Conductivity Water pH Meter - Meter Only
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Price: $752.79
Ohaus ST400-G Starter Series Portable Waterproof  Water pH Meter - Meter, Electrode and a Case
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Price: $615.57
Ohaus ST400-B Starter Series Portable Waterproof  Water pH Meter - Meter Only
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Price: $504.10
Mettler Toledo® FP30-Standard FiveEasy Benchtop FP30 Conductivity Standard Kit  with LE703 sensor
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Price: $1,474.00
Mettler Toledo® F30-Standard FiveEasy Benchtop FP30 Conductivity Standard Kit  with LE703 sensor
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Price: $1,188.00
Mettler Toledo®  FP20-Tris FiveEasy Plus Benchtop FP20 pH/mV TIRS Kit  with LE420 sensor
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Price: $1,135.20
Mettler Toledo® FP20-Micro FiveEasy Plus Benchtop FP20 pH/mV Micro Kit with LE422 sensor
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Price: $1,100.00
Mettler Toledo®  FP20-Bio FiveEasy Plus Benchtop FP20 pH/mV Bio Kit  with LE410 sensor
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Price: $1,161.60
Ohaus 30031639 DO electrode STDO11
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Price: $374.17
Ohaus ST5000-B Starter Series pH Bench Meter (30129895)
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Price: $1,335.84
Ohaus ST10T-B (30073979) Starter Series Complete TDS Water Analysis Pen Meter
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Price: $96.00
Ohaus ST10T-A Starter Series Complete TDS Water Analysis Pen Meter
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Price: $96.00
Ohaus ST20T-B Starter Series Complete TDS Water Analysis Pen Meter
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Price: $124.50
Ohaus ST20T-A Starter Series Complete TDS Water Analysis Pen Meter
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Price: $124.50
Ohaus ST10S Starter Series Water Salinity Analysis Pen Meter
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Price: $85.50
Ohaus ST20S Starter Series Water Salinity Analysis Pen Meter
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Price: $124.50
Ohaus ST10C-B Starter Series Water Conductivity Analysis Pen Meter
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Price: $85.50
Ohaus ST10C-C Starter Series Water Conductivity Analysis Pen Meter
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Price: $85.50
Ohaus ST10C-A Starter Series Water Conductivity Analysis Pen Meter
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Price: $85.50
Ohaus ST20C-A Starter Series Water Conductivity Analysis Pen Meter
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Price: $124.50
Ohaus ST20C-B Starter Series Water Conductivity Analysis Pen Meter
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Price: $124.50
Ohaus ST20C-C Starter Series Water Conductivity Analysis Pen Meter
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Price: $124.50
Ohaus ST10R Starter Series Water ORP Analysis Pen Meter (30073984)
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Price: $139.50
Ohaus ST20R Starter Series Water ORP Analysis Pen Meter
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Price: $173.60
Ohaus ST20 Starter Series Water pH Analysis Pen Meter (30073971)
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Price: $111.00
Ohaus ST300D-G Starter Series Portable Dissolved Oxygen Analysis Meter  (30219116)
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Price: $729.33
Ohaus ST300D-B (30031656) Starter Series Portable Dissolved Oxygen Analysis Meter
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Price: $395.47
Ohaus ST300C-B Starter Series Portable Water Conductivity Analysis Meter
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Price: $410.38
Ohaus ST300-B Starter Series Portable Water pH Analysis Meter
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Price: $352.50
Ohaus ST300-G Starter Series Portable Water pH Analysis Meter
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Price: $466.47
Ohaus ST300D (30031655) Starter Series Portable Dissolved Oxygen Analysis Meter
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Price: $704.32
Ohaus ST300C Starter Series Portable Water Conductivity Analysis Meter
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Price: $514.04
Ohaus ST300 Starter Series Portable Water pH Analysis Meter
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Price: $445.88
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